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Finding the Fourth Proportional to 54,690.75, 82,036.14 and 17,754.75

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Solution

The fourth proportional to 54,690.75, 82,036.14 and 17,754.75 is: 26,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.75 : 82,036.14 = 17,754.75 : x
  2. Step 2: Convert to fraction form
    54,690.75/82,036.14 = 17,754.75/x
  3. Step 3: Cross multiply
    54,690.75x = 82,036.14 × 17,754.75
  4. Step 4: Simplify right side
    54,690.75x = 1,456,531,156.67
  5. Step 5: Solve for x
    x = 1,456,531,156.67/54,690.75
  6. Step 6: Final answer
    x = 26,632.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.